Physics, 24.10.2019 23:43 genyjoannerubiera
Which of the following always occurs when a light ray reflects off a mirror? a. the speed of the light ray increases b. the direction of the light ray stays the same c. the frequency of the light ray decreases as it reflects and loses energy to the mirror d. the angle at which the light ray strikes the mirror equals the angle at which it reflects
Answers: 1
Physics, 22.06.2019 14:00, batmanmarie2004
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
Physics, 22.06.2019 22:00, kobiemajak
Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence
Answers: 3
Physics, 23.06.2019 11:00, liltay12386
Can any one me on number 4? i do know that it’s not a cause i gotten that wrong on the first try.
Answers: 1
Which of the following always occurs when a light ray reflects off a mirror? a. the speed of the li...
Mathematics, 09.09.2020 17:01
English, 09.09.2020 17:01
Mathematics, 09.09.2020 17:01
Mathematics, 09.09.2020 17:01
Mathematics, 09.09.2020 17:01
Mathematics, 09.09.2020 17:01